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opt midterm 3 TNL cache
lasdas
8
Anthropology
8th Grade
10/05/2009

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Cards

Term
When rendering using the hardware transform and lighting pipeline or vertex shaders,what does the GPU do?
Definition
it caches the transformed and lit vertices
Term
What does storing these vertices accomplish?
Definition
avoids recomputing the same values whenever a vertex is shared between multiple triangles, thus saving time
Term
How much does the post-TnL cache increase rendering performance?
Definition
Up to 2X
Term
How do you take full advantage of the TnL?
Definition
You must re-arrange the triangle rendering order.
Term
What is the easiest way to re-arrange the triangle rendering order?
Definition
Use the NVTriStrip library
Term
How does the TnL buffer work?
Definition
FIFO - First in First Out
Term
How many vertices can the TnL store?
Definition
varies in size from 10 (actual 16) to 18(actual 24)
Term
Can non-indexed draw calls take advantage of the cache?
Definition
Fuck no
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